package opera;

import book.Book;
import book.BookList;

import java.util.Scanner;

public class ReturnOperation implements IOpreation{
    @Override
    public void work(BookList bookList) {
        System.out.println("归还图书！");
        System.out.println("请选择你要归还的图书：");
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();

        int a = bookList.getUsedSize();
        for (int i = 0; i < a; i++) {
            Book book = bookList.getBooks(i);
            if (book.getName().equals(name) &&
                    book.isBorrowed()) {
                book.setBorrowed(false);
                System.out.println("归还成功！");
                break;
            }else if (book.getName().equals(name) &&
                    !book.isBorrowed()) {
                System.out.println(name + "已经被归还！");
                break;
            }else {
                System.out.println("没有要归还的这本书");
                break;
            }
        }
    }
}
